Move base64url.* to CryptAuth component.

components/proximity_auth/base64url_unittest.cc

Index: components/proximity_auth/base64url_unittest.cc
diff --git a/components/proximity_auth/base64url_unittest.cc b/components/proximity_auth/base64url_unittest.cc
deleted file mode 100644
index 946185814d14e9ba8931f515ebcc5a10b8aceac8..0000000000000000000000000000000000000000
--- a/components/proximity_auth/base64url_unittest.cc
+++ /dev/null
@@ -1,67 +0,0 @@
-// Copyright 2014 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include "components/proximity_auth/base64url.h"
-
-#include "base/base64.h"
-#include "testing/gtest/include/gtest/gtest.h"
-
-namespace proximity_auth {
-
-TEST(ProximityAuthBase64UrlTest, EncodeRegularString) {
-  const std::string input = "Hello world!";
-  const std::string expected_output = "SGVsbG8gd29ybGQh";
-
-  std::string web_safe_output;
-  Base64UrlEncode(input, &web_safe_output);
-  EXPECT_EQ(expected_output, web_safe_output);
-
-  // For good measure, make sure that the encoding matches the //base
-  // implemenation as well.
-  std::string non_web_safe_output;
-  base::Base64Encode(input, &non_web_safe_output);
-  EXPECT_EQ(web_safe_output, non_web_safe_output);
-}
-
-TEST(ProximityAuthBase64UrlTest, DecodeRegularString) {
-  const std::string input = "SGVsbG8gd29ybGQh";
-  const std::string expected_output = "Hello world!";
-
-  std::string web_safe_output;
-  EXPECT_TRUE(Base64UrlDecode(input, &web_safe_output));
-  EXPECT_EQ(expected_output, web_safe_output);
-
-  // For good measure, make sure that the encoding matches the //base
-  // implemenation as well.
-  std::string non_web_safe_output;
-  EXPECT_TRUE(base::Base64Decode(input, &non_web_safe_output));
-  EXPECT_EQ(web_safe_output, non_web_safe_output);
-}
-
-TEST(ProximityAuthBase64UrlTest, EncodeSpecialCharacters) {
-  // This happens to be a stable encoding, i.e. encode(decode(s)) gives back s.
-  const std::string encoded = "/+Y=";
-  std::string decoded;
-  ASSERT_TRUE(base::Base64Decode(encoded, &decoded));
-
-  // Decoded strings that encode to special characters are non-printable, so,
-  // for ease of testing, just compare the web-safe and non-web-safe encodings.
-  std::string web_safe_encoded;
-  Base64UrlEncode(decoded, &web_safe_encoded);
-  EXPECT_EQ("_-Y=", web_safe_encoded);
-}
-
-TEST(ProximityAuthBase64UrlTest, DecodeSpecialCharacters) {
-  const std::string encoded = "_-Y=";
-  std::string decoded;
-  ASSERT_TRUE(Base64UrlDecode(encoded, &decoded));
-
-  // Decoded strings that encode to special characters are non-printable, so,
-  // for ease of testing, just compare the web-safe and non-web-safe encodings.
-  std::string non_web_safe_encoded;
-  base::Base64Encode(decoded, &non_web_safe_encoded);
-  EXPECT_EQ("/+Y=", non_web_safe_encoded);
-}
-
-}  // namespace proximity_auth